American General Douglas MacArthur (Liam Neeson) sends eight members of the Korean Liaison Office, led by a South Korean Navy Lieutenant (Lee Jung-Jae) on a secret mission far behind North Korean lines to carry out Operation "X-ray". This covert operation must succeed so that MacArthur can launch the daring Incheon Landing Operation.

American General Douglas MacArthur (Liam Neeson) sends eight members of the Korean Liaison Office, led by a South Korean Navy Lieutenant (Lee Jung-Jae) on a secret mission far behind North Korean lines to carry out Operation X-ray